Home / 886,679.56-1,330,206.24-287,594.11

Finding the Fourth Proportional to 886,679.56, 1,330,206.24 and 287,594.11

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Solution

The fourth proportional to 886,679.56, 1,330,206.24 and 287,594.11 is: 431,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,679.56 : 1,330,206.24 = 287,594.11 : x
  2. Step 2: Convert to fraction form
    886,679.56/1,330,206.24 = 287,594.11/x
  3. Step 3: Cross multiply
    886,679.56x = 1,330,206.24 × 287,594.11
  4. Step 4: Simplify right side
    886,679.56x = 382,559,473,058.22
  5. Step 5: Solve for x
    x = 382,559,473,058.22/886,679.56
  6. Step 6: Final answer
    x = 431,451.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.